WebSep 14, 2024 · You are required to choose a relevant data type for each of the columns. Solution: Account number: INTEGER Phone number: INTEGER Email: VARCHAR Prior to reading the solution I selected VARCHAR (10) as the datatype for storing phone numbers as I thought they should be treated as string data. WebIn MySQL there are three main data types: string, numeric, and date and time. String Data Types Numeric Data Types Note: All the numeric data types may have an extra option: …
Which is best data type for phone number in MySQL and …
WebMar 2, 2024 · A phone number is usually stored as a string (+1-999-666-3333) but can also be stored as an integer (9996663333). Boolean (bool) It represents the values true and false. When working with the boolean data type, it is helpful to keep in mind that sometimes a boolean value is also represented as 0 (for false) and 1 (for true). Enumerated type … WebMar 11, 2024 · Phone numbers are made of numbers. Using varchar allows user to store any type of formatting, with (or not, with – or. and it quickly creates a mess with your data. A phone # format is “country” dependent, the mask should be tied to the country. Extension is an extension and is optional, so it should be stored in a “extension field ... can body composition be measured directly
MySQL :: MySQL 8.0 Reference Manual :: 11.1 Numeric …
WebThe NUMERIC and DECIMAL data types can specify only fixed-point numbers. For those data types, the scale (s) defaults to 0.The FLOAT data type is a floating-point number with a binary precision b. The default precision for this data type is 126 binary, or 38 decimal. The DOUBLE PRECISION data type is a floating-point number with binary precision 126. WebWhy we should not use INT as data type for phone number field in MySQL databaseWe should not use INT as a data type because all the international phone numbe... WebJun 8, 2024 · Although phone numbers are named numbers, they are normally not numbers (e.g. leading zeros, country prefix +XX, ...). So there are two possibilities to represent a phone number correctly inside a program: Using String to keep the whole number like entered. Using a custom data type that offers additional support for phone … fishing interact wow